The notion of partitioning is used to help develop simple number concepts, counting skills, place value concepts, and division with two-digit divisors. Working with counters, base blocks, and other materials is carefully explicated. (MNS)

Discusses children's concept of number and number operations and describes activities which help to develop number concepts and skills. (JP)

Practical suggestions on utilizing various types of boxes in activities for infants, toddlers, and preschoolers. (SP)

A review of research involving the utilization of manipulative materials in improving mathematics learning is presented. Subsequent assessment and discussion is included. (JG)

Describes a system utilizing numbered chips to teach middle graders to manipulate positive and negative integers. (SJL)

The authors support use of manipulative aids in teaching learning disabled students but caution that the selection and application of a manipulative aid should not be a haphazard process. Guidelines are given for using manipulative aids in teaching students who are experiencing difficulty in mastering mathematical concepts. (Author/SBH)

Provides activities focusing on students' use of manipulatives to demonstrate understanding. (Author)

The construction of visual and manipulative aids, clear resin blocks with root-canal-like spaces, for simulation of root canals is explained. Time, materials, and techniques are discussed. The method allows for comparison of canals, creation of any configuration of canals, and easy presentation during instruction. (MSE)